EP0285107A3 - Superconductive material - Google Patents

Superconductive material Download PDF

Info

Publication number
EP0285107A3
EP0285107A3 EP88105113A EP88105113A EP0285107A3 EP 0285107 A3 EP0285107 A3 EP 0285107A3 EP 88105113 A EP88105113 A EP 88105113A EP 88105113 A EP88105113 A EP 88105113A EP 0285107 A3 EP0285107 A3 EP 0285107A3
Authority
EP
European Patent Office
Prior art keywords
superconductive material
valence
mix
usual
satisfy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88105113A
Other languages
German (de)
French (fr)
Other versions
EP0285107A2 (en
Inventor
Kengo Osaka Works Of Sumitomo Ohkura
Hajime Osaka Works Of Sumitomo Hitotsuyanagi
Hiromi Osaka Works Of Sumitomo Takei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to EP19920112545 priority Critical patent/EP0513852A3/en
Publication of EP0285107A2 publication Critical patent/EP0285107A2/en
Publication of EP0285107A3 publication Critical patent/EP0285107A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
    • C04B35/4504—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing rare earth oxides
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/80—Constructional details
    • H10N60/85—Superconducting active materials
    • H10N60/855—Ceramic materials
    • H10N60/857—Ceramic materials comprising copper oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/775—High tc, above 30 k, superconducting material
    • Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
    • Y10S505/777—Lanthanum, e.g. La2CuO4
    • Y10S505/778—Alkaline earth, i.e. Ca, Sr, Ba, Ra
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/775—High tc, above 30 k, superconducting material
    • Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
    • Y10S505/779—Other rare earth, i.e. Sc,Y,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu and alkaline earth, i.e. Ca,Sr,Ba,Ra
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/775—High tc, above 30 k, superconducting material
    • Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
    • Y10S505/779—Other rare earth, i.e. Sc,Y,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu and alkaline earth, i.e. Ca,Sr,Ba,Ra
    • Y10S505/78—Yttrium and barium-, e.g. YBa2Cu307

Abstract

A superconductive material is in composition expressed as (Y0.33Ba0.67)aCub(OF)c. The usual a, b and c are so selected as to satisfy a relation expression ax (mix valence of A) + bx (mix valence of B) = cx (mix valence of C).
EP88105113A 1987-03-30 1988-03-29 Superconductive material Withdrawn EP0285107A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19920112545 EP0513852A3 (en) 1987-03-30 1988-03-29 Superconductive material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP77237/87 1987-03-30
JP62077237A JPS63242922A (en) 1987-03-30 1987-03-30 Superconducting material

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19920112545 Division EP0513852A3 (en) 1987-03-30 1988-03-29 Superconductive material
EP92112545.6 Division-Into 1988-03-29

Publications (2)

Publication Number Publication Date
EP0285107A2 EP0285107A2 (en) 1988-10-05
EP0285107A3 true EP0285107A3 (en) 1989-08-23

Family

ID=13628257

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88105113A Withdrawn EP0285107A3 (en) 1987-03-30 1988-03-29 Superconductive material
EP19920112545 Ceased EP0513852A3 (en) 1987-03-30 1988-03-29 Superconductive material

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19920112545 Ceased EP0513852A3 (en) 1987-03-30 1988-03-29 Superconductive material

Country Status (4)

Country Link
US (1) US5614471A (en)
EP (2) EP0285107A3 (en)
JP (1) JPS63242922A (en)
CA (1) CA1339712C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0288641B1 (en) * 1987-04-27 1993-08-04 Ovonic Synthetic Materials Company, Inc. Parametrically modified superconducting material
JPS63301426A (en) * 1987-06-01 1988-12-08 Semiconductor Energy Lab Co Ltd Manufacture of superconductive material
EP0354963A4 (en) * 1987-09-24 1991-05-08 Mitsubishi Kinzoku Kabushiki Kaisha Process for producing superconductive ceramic sinter
JP2786292B2 (en) * 1989-01-13 1998-08-13 株式会社日立製作所 Copper oxide superconductor containing halogen
US5378682A (en) * 1989-03-25 1995-01-03 Hoechst Aktiengesellschaft Dense superconducting bodies with preferred orientation
DE3909882A1 (en) * 1989-03-25 1990-09-27 Hoechst Ag Dense, super-conductive body with texture
GB9411055D0 (en) * 1994-06-02 1994-07-20 Univ Birmingham Metal oxyhalide materials, their use and methods for their production
KR100447215B1 (en) * 2002-02-08 2004-09-04 엘지전자 주식회사 Manufacturing method for superconductive Magnesium Boride thin-film
JP4208806B2 (en) * 2004-09-16 2009-01-14 株式会社東芝 Manufacturing method of oxide superconductor
US7615385B2 (en) 2006-09-20 2009-11-10 Hypres, Inc Double-masking technique for increasing fabrication yield in superconducting electronics

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283620A1 (en) * 1987-03-25 1988-09-28 Semiconductor Energy Laboratory Co., Ltd. Superconducting ceramics
EP0288641A2 (en) * 1987-04-27 1988-11-02 Ovonic Synthetic Materials Company, Inc. Parametrically modified superconducting material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63206462A (en) * 1987-02-24 1988-08-25 Kawatetsu Kogyo Kk Production of thin conductive or superconductive film
GB2201955B (en) * 1987-03-11 1991-09-18 Ibm Electrically superconducting compositions and processes for their preparation
JPS63233066A (en) * 1987-03-20 1988-09-28 Fujikura Ltd Production of superconductive body
CA1339978C (en) * 1987-03-24 1998-08-04 Sumitomo Electric Industries, Ltd. Ceramic oxide superconductive composite material
JP2533108B2 (en) * 1987-03-24 1996-09-11 新技術事業団 Superconducting material
DE3850800T2 (en) * 1987-04-13 1994-11-17 Hitachi Ltd Superconducting material and process for its production.
US5004725A (en) * 1989-04-27 1991-04-02 Ovonic Synthetic Materials Company Inc. Parametrically modified superconductor material
US5242897A (en) * 1990-11-13 1993-09-07 The University Of Kansas High Tc superconducting oxides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283620A1 (en) * 1987-03-25 1988-09-28 Semiconductor Energy Laboratory Co., Ltd. Superconducting ceramics
EP0288641A2 (en) * 1987-04-27 1988-11-02 Ovonic Synthetic Materials Company, Inc. Parametrically modified superconducting material

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
EUROPHYSICS LETTERS, vol. 3, no. 3, 1st February 1987, pages 379-385, CH; J.G. BEDNORZ et al.: "Susceptibility measurements support high-Tc superconductivity in the Ba-La-Cu-O system" *
PHYSICAL REVIEW B, vol. 36, no. 13, 1st November 1987, pages 7197-7198, The American Physical Society, US; T.J. KISTENMACHER: "Structural basis for enhanced Tc in YBa2Cu3OyFx" *
PHYSICAL REVIEW LETTERS, vol. 58, no. 18, 4th May 1987, pages 1891-1894, The American Physical Society, US; P.H. HOR et al.: "Superconductivity above 90 K in the square-planar compound system ABa2Cu3O6+x with A=Y, La, Nd, Sm, Eu, Gd, Ho, Er, and Lu" *
SCIENCE, vol. 235, 13th March 1987, pages 1373-1376, Lancaster, US; J.M. TARASCON et al.: "Superconductivity at 40 K in the oxygen-defect perovskites La2-xSrxCuO4-y" *

Also Published As

Publication number Publication date
EP0285107A2 (en) 1988-10-05
JPS63242922A (en) 1988-10-07
EP0513852A3 (en) 1992-12-09
EP0513852A2 (en) 1992-11-19
US5614471A (en) 1997-03-25
CA1339712C (en) 1998-03-17

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